Home / 129,507.16-194,295.31-46,409.56

Finding the Fourth Proportional to 129,507.16, 194,295.31 and 46,409.56

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Solution

The fourth proportional to 129,507.16, 194,295.31 and 46,409.56 is: 69,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,507.16 : 194,295.31 = 46,409.56 : x
  2. Step 2: Convert to fraction form
    129,507.16/194,295.31 = 46,409.56/x
  3. Step 3: Cross multiply
    129,507.16x = 194,295.31 × 46,409.56
  4. Step 4: Simplify right side
    129,507.16x = 9,017,159,847.16
  5. Step 5: Solve for x
    x = 9,017,159,847.16/129,507.16
  6. Step 6: Final answer
    x = 69,626.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.